Silicone Stretch Cover Lids - Food Preservers (Set of 6 Different Sizes) REUSABLE - Storage lids made from food grade silicone. Use these high quality lids to cover almost any dish, bowl or plate to preserver your food VERSATILE - Each set includes six different sizes, and with the combination, you will be able to cover things ranging from 2.75" - 10". These lids will cover any shape, it doesn't matter if they are round, square, oblong or rectangle. SAFE - BPA Free - Microwave, oven, freezer, refrigerator, and dishwasher safe! HIGH QUALITY - Once the lid is put on, it creates a sturdy and strong platform that it actually provides a stack-able surface once in place. ENVIRONMENTALLY FRIENDLY - Washable and reusable. Easier to use than plastic saran wrap.